Simplify message parsing.

remoting/protocol/audio_reader.h

Index: remoting/protocol/audio_reader.h
diff --git a/remoting/protocol/audio_reader.h b/remoting/protocol/audio_reader.h
index c20ab5cfc8d6039ed8cacdf109358469a1209f8e..4ad5ef96a59bbf0d57e59a35f6bcd685aa930492 100644
--- a/remoting/protocol/audio_reader.h
+++ b/remoting/protocol/audio_reader.h
@@ -7,24 +7,22 @@
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "remoting/proto/audio.pb.h"
-#include "remoting/protocol/audio_stub.h"
 #include "remoting/protocol/channel_dispatcher_base.h"
-#include "remoting/protocol/protobuf_message_parser.h"
 
 namespace remoting {
 namespace protocol {
 
+class AudioStub;
+
 class AudioReader : public ChannelDispatcherBase {
  public:
   explicit AudioReader(AudioStub* audio_stub);
   ~AudioReader() override;
 
  private:
-  void OnAudioPacket(scoped_ptr<AudioPacket> audio_packet);
+  void OnIncomingMessage(scoped_ptr<CompoundBuffer> message) override;
 
   AudioStub* audio_stub_;
-  ProtobufMessageParser<AudioPacket> parser_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioReader);
 };